What preventive measures should be taken in the construction site in case of typhoon and rainstorm?

Reinforce scaffolding, fix all unfinished parts, fasten cranes, reinforce freight elevators, avoid flooding of the high places where cement and other materials are piled up, clean all ditches to avoid blockage, and send on-site guards to pay attention to safety ... Organize rescue teams to contact leaders in case of emergency, and prevent glass doors and windows from being blocked with boards when necessary to avoid damage.